Does anyone know where the rear boot light sensor is exactly, my car thinks the boot is open, and the light stays on permanently in the boot, which happened to drain and kill a very good battery that I've had in the car for 10 years, for now I've disconnected the bulb, Any advice appreciated,

Does anyone know where the rear boot light sensor is exactly, my car thinks the boot is open, and the light stays on permanently in the boot, which happened to drain and kill a very good battery that I've had in the car for 10 years, for now I've disconnected the bulb, Any advice appreciated,